When Did Six Flags Magic Mountain Open
Six Flags Magic Mountain opened in 1971 in Valencia, California. It was built by Newhall Land and Farming Company and originally operated as Magic Mountain before the Six Flags brand took over. The park quickly became known for its large collection of roller coasters.
How Old Is the Park Today
As of 2025, Six Flags Magic Mountain is over 50 years old. The park continues to operate on its original site, with regular updates to attractions and infrastructure. Its age makes it one of the longer-standing major theme parks in the United States.
Key Facts About the Park’s Age and History
The park has operated continuously since 1971, with seasonal adjustments and ride replacements over the decades. It holds the record for the most roller coasters of any theme park in the world, a fact often cited in industry comparisons. For more background, see the park’s history page on the official Six Flags website.
